[bpt/emacs.git] / lisp / term / rxvt.el

;;; rxvt.el --- define function key sequences and standard colors for rxvt

;; Copyright (C) 2002, 2003, 2004, 2005 Free Software Foundation, Inc.

;; Author: Eli Zaretskii
;; Keywords: terminals

;; This file is part of GNU Emacs.

;; GNU Emacs is free software; you can redistribute it and/or modify
;; it under the terms of the GNU General Public License as published by
;; the Free Software Foundation; either version 2, or (at your option)
;; any later version.

;; GNU Emacs is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
;; GNU General Public License for more details.

;; You should have received a copy of the GNU General Public License
;; along with GNU Emacs; see the file COPYING.  If not, write to the
;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
;; Boston, MA 02110-1301, USA.

;;; Commentary:

;;; Code:

(defvar rxvt-function-map nil
  "Function key overrides for rxvt.")

;; Protect against reloads.
(unless rxvt-function-map
  (setq rxvt-function-map (make-sparse-keymap))

  ;; Set up function-key-map entries that termcap and terminfo don't know.
  (define-key rxvt-function-map "\e[A" [up])
  (define-key rxvt-function-map "\e[B" [down])
  (define-key rxvt-function-map "\e[C" [right])
  (define-key rxvt-function-map "\e[D" [left])
  (define-key rxvt-function-map "\e[2~" [insert])
  (define-key rxvt-function-map "\e[3~" [delete])
  (define-key rxvt-function-map "\e[4~" [select])
  (define-key rxvt-function-map "\e[5~" [prior])
  (define-key rxvt-function-map "\e[6~" [next])
  (define-key rxvt-function-map "\e[7~" [home])
  (define-key rxvt-function-map "\e[8~" [end])
  (define-key rxvt-function-map "\e[11~" [f1])
  (define-key rxvt-function-map "\e[12~" [f2])
  (define-key rxvt-function-map "\e[13~" [f3])
  (define-key rxvt-function-map "\e[14~" [f4])
  (define-key rxvt-function-map "\e[15~" [f5])
  (define-key rxvt-function-map "\e[17~" [f6])
  (define-key rxvt-function-map "\e[18~" [f7])
  (define-key rxvt-function-map "\e[19~" [f8])
  (define-key rxvt-function-map "\e[20~" [f9])
  (define-key rxvt-function-map "\e[21~" [f10])
  ;; The strings emitted by f11 and f12 are the same as the strings
  ;; emitted by S-f1 and S-f2, so don't define f11 and f12.
  ;; (define-key rxvt-function-map "\e[23~" [f11])
  ;; (define-key rxvt-function-map "\e[24~" [f12])
  (define-key rxvt-function-map "\e[29~" [print])

  (define-key rxvt-function-map "\e[11^" [C-f1])
  (define-key rxvt-function-map "\e[12^" [C-f2])
  (define-key rxvt-function-map "\e[13^" [C-f3])
  (define-key rxvt-function-map "\e[14^" [C-f4])
  (define-key rxvt-function-map "\e[15^" [C-f5])
  (define-key rxvt-function-map "\e[17^" [C-f6])
  (define-key rxvt-function-map "\e[18^" [C-f7])
  (define-key rxvt-function-map "\e[19^" [C-f8])
  (define-key rxvt-function-map "\e[20^" [C-f9])
  (define-key rxvt-function-map "\e[21^" [C-f10])

  (define-key rxvt-function-map "\e[23~" [S-f1])
  (define-key rxvt-function-map "\e[24~" [S-f2])
  (define-key rxvt-function-map "\e[25~" [S-f3])
  (define-key rxvt-function-map "\e[26~" [S-f4])
  (define-key rxvt-function-map "\e[28~" [S-f5])
  (define-key rxvt-function-map "\e[29~" [S-f6])
  (define-key rxvt-function-map "\e[31~" [S-f7])
  (define-key rxvt-function-map "\e[32~" [S-f8])
  (define-key rxvt-function-map "\e[33~" [S-f9])
  (define-key rxvt-function-map "\e[34~" [S-f10])

  (define-key rxvt-function-map "\e[23^" [C-S-f1])
  (define-key rxvt-function-map "\e[24^" [C-S-f2])
  (define-key rxvt-function-map "\e[25^" [C-S-f3])
  (define-key rxvt-function-map "\e[26^" [C-S-f4])
  (define-key rxvt-function-map "\e[28^" [C-S-f5])
  (define-key rxvt-function-map "\e[29^" [C-S-f6])
  (define-key rxvt-function-map "\e[31^" [C-S-f7])
  (define-key rxvt-function-map "\e[32^" [C-S-f8])
  (define-key rxvt-function-map "\e[33^" [C-S-f9])
  (define-key rxvt-function-map "\e[34^" [C-S-f10])

  (define-key rxvt-function-map "\e[2^" [C-insert])
  (define-key rxvt-function-map "\e[3^" [C-delete])
  (define-key rxvt-function-map "\e[5^" [C-prior])
  (define-key rxvt-function-map "\e[6^" [C-next])
  (define-key rxvt-function-map "\e[7^" [C-home])
  (define-key rxvt-function-map "\e[8^" [C-end])
  (define-key rxvt-function-map "\eOd" [C-left])
  (define-key rxvt-function-map "\eOc" [C-right])
  (define-key rxvt-function-map "\eOa" [C-up])
  (define-key rxvt-function-map "\eOb" [C-down])

  (define-key rxvt-function-map "\e[2;2~" [S-insert])
  (define-key rxvt-function-map "\e[3$" [S-delete])
  (define-key rxvt-function-map "\e[5$" [S-prior])
  (define-key rxvt-function-map "\e[6$" [S-next])
  (define-key rxvt-function-map "\e[7$" [S-home])
  (define-key rxvt-function-map "\e[8$" [S-end])
  (define-key rxvt-function-map "\e[d" [S-left])
  (define-key rxvt-function-map "\e[c" [S-right])
  (define-key rxvt-function-map "\e[a" [S-up])
  (define-key rxvt-function-map "\e[b" [S-down]))

(defun terminal-init-rxvt ()
  "Terminal initialization function for rxvt."

  ;; The terminal-local stuff only need to be set up on the first
  ;; frame on that device.
  (when (eq 1 (length (frames-on-display-list)))
    ;; The terminal intialization C code file might have initialized
    ;; function keys F11->F42 from the termcap/terminfo information.  On
    ;; a PC-style keyboard these keys correspond to
    ;; MODIFIER-FUNCTION_KEY, where modifier is S-, C-, C-S-.  The
    ;; code here subsitutes the corresponding defintions in
    ;; function-key-map.  This substitution is needed because if a key
    ;; definition if found in function-key-map, there are no further
    ;; lookups in other keymaps.
    (substitute-key-definition [f11] [S-f1] local-function-key-map)
    (substitute-key-definition [f12] [S-f2] local-function-key-map)
    (substitute-key-definition [f13] [S-f3] local-function-key-map)
    (substitute-key-definition [f14] [S-f4] local-function-key-map)
    (substitute-key-definition [f15] [S-f5] local-function-key-map)
    (substitute-key-definition [f16] [S-f6] local-function-key-map)
    (substitute-key-definition [f17] [S-f7] local-function-key-map)
    (substitute-key-definition [f18] [S-f8] local-function-key-map)
    (substitute-key-definition [f19] [S-f9] local-function-key-map)
    (substitute-key-definition [f20] [S-f10] local-function-key-map)

    (substitute-key-definition [f23] [C-f1] local-function-key-map)
    (substitute-key-definition [f24] [C-f2] local-function-key-map)
    (substitute-key-definition [f25] [C-f3] local-function-key-map)
    (substitute-key-definition [f26] [C-f4] local-function-key-map)
    (substitute-key-definition [f27] [C-f5] local-function-key-map)
    (substitute-key-definition [f28] [C-f6] local-function-key-map)
    (substitute-key-definition [f29] [C-f7] local-function-key-map)
    (substitute-key-definition [f30] [C-f8] local-function-key-map)
    (substitute-key-definition [f31] [C-f9] local-function-key-map)
    (substitute-key-definition [f32] [C-f10] local-function-key-map)

    (substitute-key-definition [f33] [C-S-f1] local-function-key-map)
    (substitute-key-definition [f34] [C-S-f2] local-function-key-map)
    (substitute-key-definition [f35] [C-S-f3] local-function-key-map)
    (substitute-key-definition [f36] [C-S-f4] local-function-key-map)
    (substitute-key-definition [f37] [C-S-f5] local-function-key-map)
    (substitute-key-definition [f38] [C-S-f6] local-function-key-map)
    (substitute-key-definition [f39] [C-S-f7] local-function-key-map)
    (substitute-key-definition [f40] [C-S-f8] local-function-key-map)
    (substitute-key-definition [f41] [C-S-f9] local-function-key-map)
    (substitute-key-definition [f42] [C-S-f10] local-function-key-map)

    ;; Use inheritance to let the main keymap override those defaults.
    ;; This way we don't override terminfo-derived settings or settings
    ;; made in the .emacs file.
    (let ((m (copy-keymap rxvt-function-map)))
      (set-keymap-parent m (keymap-parent local-function-key-map))
      (set-keymap-parent local-function-key-map m)))

  ;; Initialize colors and background mode.
  (rxvt-register-default-colors)
  (rxvt-set-background-mode)
  ;; This recomputes all the default faces given the colors we've just set up.
  (tty-set-up-initial-frame-faces))

;; Set up colors, for those versions of rxvt that support it.
(defvar rxvt-standard-colors
  ;; The names of the colors in the comments taken from the rxvt.1 man
  ;; page; the corresponding RGB values--from rgb.txt.
  '(("black"          0 (  0   0   0))	; black
    ("red"            1 (205   0   0))	; red3
    ("green"          2 (  0 205   0))	; green3
    ("yellow"         3 (205 205   0))	; yellow3
    ("blue"           4 (  0   0 205))	; blue3
    ("magenta"        5 (205   0 205))	; magenta3
    ("cyan"           6 (  0 205 205))	; cyan3
    ("white"          7 (229 229 229))	; gray90
    ("brightblack"    8 ( 77  77  77))	; gray30
    ("brightred"      9 (255   0   0))	; red
    ("brightgreen"   10 (  0 255   0))	; green
    ("brightyellow"  11 (255 255   0))	; yellow
    ("brightblue"    12 (  0   0 255))	; blue
    ("brightmagenta" 13 (255   0 255))	; magenta
    ("brightcyan"    14 (  0 255 255))	; cyan
    ("brightwhite"   15 (255 255 255)))	; white
  "Names of 16 standard rxvt colors, their numbers, and RGB values.")

(defun rxvt-rgb-convert-to-16bit (prim)
  "Convert an 8-bit primary color value PRIM to a corresponding 16-bit value."
  (min 65535 (round (* (/ prim 255.0) 65535.0))))

(defun rxvt-register-default-colors ()
  "Register the default set of colors for rxvt or compatible emulator.

This function registers the number of colors returned by `display-color-cells'
for the currently selected frame."
  (let* ((ncolors (display-color-cells))
	 (colors rxvt-standard-colors)
	 (color (car colors)))
    (if (> ncolors 0)
	;; Clear the 8 default tty colors registered by startup.el
	(tty-color-clear))
    ;; Only register as many colors as are supported by the display.
    (while (and (> ncolors 0) colors)
      (tty-color-define (car color) (cadr color)
			(mapcar 'rxvt-rgb-convert-to-16bit
				(car (cddr color))))
      (setq colors (cdr colors)
	    color (car colors)
	    ncolors (1- ncolors)))
    (when (> ncolors 0)
      (cond
       ((= ncolors 240)			; 256-color rxvt
	;; 216 non-gray colors first
	(let ((r 0) (g 0) (b 0))
	  (while (> ncolors 24)
	    ;; This and other formulae taken from 256colres.pl and
	    ;; 88colres.pl in the xterm distribution.
	    (tty-color-define (format "color-%d" (- 256 ncolors))
			      (- 256 ncolors)
			      (mapcar 'rxvt-rgb-convert-to-16bit
				      (list (round (* r 42.5))
					    (round (* g 42.5))
					    (round (* b 42.5)))))
	    (setq b (1+ b))
	    (if (> b 5)
		(setq g (1+ g)
		      b 0))
	    (if (> g 5)
		(setq r (1+ r)
		      g 0))
	    (setq ncolors (1- ncolors))))
	;; Now the 24 gray colors
	(while (> ncolors 0)
	  (setq color (rxvt-rgb-convert-to-16bit (+ 8 (* (- 24 ncolors) 10))))
	  (tty-color-define (format "color-%d" (- 256 ncolors))
			    (- 256 ncolors)
			    (list color color color))
	  (setq ncolors (1- ncolors))))
       
       ((= ncolors 72) ; rxvt-unicode
	;; 64 non-gray colors
	(let ((levels '(0 139 205 255))
	      (r 0) (g 0) (b 0))
	  (while (> ncolors 8)
	    (tty-color-define (format "color-%d" (- 88 ncolors))
			      (- 88 ncolors)
			      (mapcar 'rxvt-rgb-convert-to-16bit
				      (list (nth r levels)
					    (nth g levels)
					    (nth b levels))))
	    (setq b (1+ b))
	    (if (> b 3)
		(setq g (1+ g)
		      b 0))
	    (if (> g 3)
		(setq r (1+ r)
		      g 0))
	    (setq ncolors (1- ncolors))))
	;; Now the 8 gray colors
	(while (> ncolors 0)
	  (setq color (rxvt-rgb-convert-to-16bit
		       (floor
			(if (= ncolors 8)
			    46.36363636
			  (+ (* (- 8 ncolors) 23.18181818) 69.54545454)))))
	  (tty-color-define (format "color-%d" (- 88 ncolors))
			    (- 88 ncolors)
			    (list color color color))
	  (setq ncolors (1- ncolors))))
       (t (error "Unsupported number of rxvt colors (%d)" (+ 16 ncolors)))))
    ;; Modifying color mappings means realized faces don't use the
    ;; right colors, so clear them.
    (clear-face-cache)))

;; rxvt puts the default colors into an environment variable
;; COLORFGBG.  We use this to set the background mode in a more
;; intelligent way than the default guesswork in startup.el.
(defun rxvt-set-background-mode ()
  "Set background mode as appropriate for the default rxvt colors."
  (let ((fgbg (terminal-getenv "COLORFGBG"))
	bg rgb)
    (setq default-frame-background-mode 'light)
    (when (and fgbg
	       (string-match ".*;\\([0-9][0-9]?\\)\\'" fgbg))
      (setq bg (string-to-number (substring fgbg (match-beginning 1))))
      ;; The next line assumes that rxvt-standard-colors are ordered
      ;; by the color index in the ascending order!
      (setq rgb (car (cddr (nth bg rxvt-standard-colors))))
      ;; See the commentary in frame-set-background-mode about the
      ;; computation below.
      (if (< (apply '+ rgb)
	     ;; The following line assumes that white is the 15th
	     ;; color in rxvt-standard-colors.
	     (* (apply '+ (car (cddr (nth 15 rxvt-standard-colors)))) 0.6))
	  (setq default-frame-background-mode 'dark)))
    (frame-set-background-mode (selected-frame))))

;; arch-tag: 20cf2fb6-6318-4bab-9dbf-1d15048f2257
;;; rxvt.el ends here
Commit	Line	Data
5ea6e068 EZ	1	;;; rxvt.el --- define function key sequences and standard colors for rxvt
5ea6e068 EZ	2
5fd6d89f	3	;; Copyright (C) 2002, 2003, 2004, 2005 Free Software Foundation, Inc.
5ea6e068 EZ	4
	5	;; Author: Eli Zaretskii
	6	;; Keywords: terminals
	7
	8	;; This file is part of GNU Emacs.
	9
	10	;; GNU Emacs is free software; you can redistribute it and/or modify
	11	;; it under the terms of the GNU General Public License as published by
	12	;; the Free Software Foundation; either version 2, or (at your option)
	13	;; any later version.
	14
	15	;; GNU Emacs is distributed in the hope that it will be useful,
	16	;; but WITHOUT ANY WARRANTY; without even the implied warranty of
	17	;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	18	;; GNU General Public License for more details.
	19
	20	;; You should have received a copy of the GNU General Public License
	21	;; along with GNU Emacs; see the file COPYING. If not, write to the
4fc5845f LK	22	;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
4fc5845f LK	23	;; Boston, MA 02110-1301, USA.
5ea6e068 EZ	24
	25	;;; Commentary:
	26
	27	;;; Code:
	28
133fe4c8 KL	29	(defvar rxvt-function-map nil
	30	"Function key overrides for rxvt.")
	31
	32	;; Protect against reloads.
	33	(unless rxvt-function-map
	34	(setq rxvt-function-map (make-sparse-keymap))
	35
	36	;; Set up function-key-map entries that termcap and terminfo don't know.
133fe4c8 KL	37	(define-key rxvt-function-map "\e[A" [up])
	38	(define-key rxvt-function-map "\e[B" [down])
	39	(define-key rxvt-function-map "\e[C" [right])
	40	(define-key rxvt-function-map "\e[D" [left])
133fe4c8 KL	41	(define-key rxvt-function-map "\e[2~" [insert])
	42	(define-key rxvt-function-map "\e[3~" [delete])
	43	(define-key rxvt-function-map "\e[4~" [select])
	44	(define-key rxvt-function-map "\e[5~" [prior])
	45	(define-key rxvt-function-map "\e[6~" [next])
0ff21b4e KL	46	(define-key rxvt-function-map "\e[7~" [home])
0ff21b4e KL	47	(define-key rxvt-function-map "\e[8~" [end])
133fe4c8 KL	48	(define-key rxvt-function-map "\e[11~" [f1])
	49	(define-key rxvt-function-map "\e[12~" [f2])
	50	(define-key rxvt-function-map "\e[13~" [f3])
	51	(define-key rxvt-function-map "\e[14~" [f4])
	52	(define-key rxvt-function-map "\e[15~" [f5])
	53	(define-key rxvt-function-map "\e[17~" [f6])
	54	(define-key rxvt-function-map "\e[18~" [f7])
	55	(define-key rxvt-function-map "\e[19~" [f8])
	56	(define-key rxvt-function-map "\e[20~" [f9])
	57	(define-key rxvt-function-map "\e[21~" [f10])
fbf34973 KL	58	;; The strings emitted by f11 and f12 are the same as the strings
	59	;; emitted by S-f1 and S-f2, so don't define f11 and f12.
	60	;; (define-key rxvt-function-map "\e[23~" [f11])
	61	;; (define-key rxvt-function-map "\e[24~" [f12])
133fe4c8 KL	62	(define-key rxvt-function-map "\e[29~" [print])
	63
	64	(define-key rxvt-function-map "\e[11^" [C-f1])
	65	(define-key rxvt-function-map "\e[12^" [C-f2])
	66	(define-key rxvt-function-map "\e[13^" [C-f3])
	67	(define-key rxvt-function-map "\e[14^" [C-f4])
	68	(define-key rxvt-function-map "\e[15^" [C-f5])
	69	(define-key rxvt-function-map "\e[17^" [C-f6])
	70	(define-key rxvt-function-map "\e[18^" [C-f7])
	71	(define-key rxvt-function-map "\e[19^" [C-f8])
	72	(define-key rxvt-function-map "\e[20^" [C-f9])
	73	(define-key rxvt-function-map "\e[21^" [C-f10])
133fe4c8	74
fbf34973 KL	75	(define-key rxvt-function-map "\e[23~" [S-f1])
	76	(define-key rxvt-function-map "\e[24~" [S-f2])
	77	(define-key rxvt-function-map "\e[25~" [S-f3])
	78	(define-key rxvt-function-map "\e[26~" [S-f4])
	79	(define-key rxvt-function-map "\e[28~" [S-f5])
	80	(define-key rxvt-function-map "\e[29~" [S-f6])
	81	(define-key rxvt-function-map "\e[31~" [S-f7])
	82	(define-key rxvt-function-map "\e[32~" [S-f8])
	83	(define-key rxvt-function-map "\e[33~" [S-f9])
	84	(define-key rxvt-function-map "\e[34~" [S-f10])
	85
	86	(define-key rxvt-function-map "\e[23^" [C-S-f1])
	87	(define-key rxvt-function-map "\e[24^" [C-S-f2])
	88	(define-key rxvt-function-map "\e[25^" [C-S-f3])
	89	(define-key rxvt-function-map "\e[26^" [C-S-f4])
	90	(define-key rxvt-function-map "\e[28^" [C-S-f5])
	91	(define-key rxvt-function-map "\e[29^" [C-S-f6])
	92	(define-key rxvt-function-map "\e[31^" [C-S-f7])
	93	(define-key rxvt-function-map "\e[32^" [C-S-f8])
	94	(define-key rxvt-function-map "\e[33^" [C-S-f9])
	95	(define-key rxvt-function-map "\e[34^" [C-S-f10])
133fe4c8 KL	96
	97	(define-key rxvt-function-map "\e[2^" [C-insert])
	98	(define-key rxvt-function-map "\e[3^" [C-delete])
	99	(define-key rxvt-function-map "\e[5^" [C-prior])
	100	(define-key rxvt-function-map "\e[6^" [C-next])
fbf34973 KL	101	(define-key rxvt-function-map "\e[7^" [C-home])
fbf34973 KL	102	(define-key rxvt-function-map "\e[8^" [C-end])
133fe4c8 KL	103	(define-key rxvt-function-map "\eOd" [C-left])
	104	(define-key rxvt-function-map "\eOc" [C-right])
	105	(define-key rxvt-function-map "\eOa" [C-up])
	106	(define-key rxvt-function-map "\eOb" [C-down])
	107
fbf34973 KL	108	(define-key rxvt-function-map "\e[2;2~" [S-insert])
fbf34973 KL	109	(define-key rxvt-function-map "\e[3$" [S-delete])
133fe4c8 KL	110	(define-key rxvt-function-map "\e[5$" [S-prior])
133fe4c8 KL	111	(define-key rxvt-function-map "\e[6$" [S-next])
133fe4c8	112	(define-key rxvt-function-map "\e[7$" [S-home])
0ff21b4e	113	(define-key rxvt-function-map "\e[8$" [S-end])
133fe4c8 KL	114	(define-key rxvt-function-map "\e[d" [S-left])
	115	(define-key rxvt-function-map "\e[c" [S-right])
	116	(define-key rxvt-function-map "\e[a" [S-up])
2bb819d5 KL	117	(define-key rxvt-function-map "\e[b" [S-down]))
2bb819d5 KL	118
4f0c9ba7 DN	119	(defun terminal-init-rxvt ()
4f0c9ba7 DN	120	"Terminal initialization function for rxvt."
af520c4a KL	121
	122	;; The terminal-local stuff only need to be set up on the first
	123	;; frame on that device.
	124	(when (eq 1 (length (frames-on-display-list)))
	125	;; The terminal intialization C code file might have initialized
	126	;; function keys F11->F42 from the termcap/terminfo information. On
	127	;; a PC-style keyboard these keys correspond to
	128	;; MODIFIER-FUNCTION_KEY, where modifier is S-, C-, C-S-. The
	129	;; code here subsitutes the corresponding defintions in
0ff21b4e	130	;; function-key-map. This substitution is needed because if a key
af520c4a KL	131	;; definition if found in function-key-map, there are no further
af520c4a KL	132	;; lookups in other keymaps.
c40bb1ba KL	133	(substitute-key-definition [f11] [S-f1] local-function-key-map)
	134	(substitute-key-definition [f12] [S-f2] local-function-key-map)
	135	(substitute-key-definition [f13] [S-f3] local-function-key-map)
	136	(substitute-key-definition [f14] [S-f4] local-function-key-map)
	137	(substitute-key-definition [f15] [S-f5] local-function-key-map)
	138	(substitute-key-definition [f16] [S-f6] local-function-key-map)
	139	(substitute-key-definition [f17] [S-f7] local-function-key-map)
	140	(substitute-key-definition [f18] [S-f8] local-function-key-map)
	141	(substitute-key-definition [f19] [S-f9] local-function-key-map)
	142	(substitute-key-definition [f20] [S-f10] local-function-key-map)
	143
	144	(substitute-key-definition [f23] [C-f1] local-function-key-map)
	145	(substitute-key-definition [f24] [C-f2] local-function-key-map)
	146	(substitute-key-definition [f25] [C-f3] local-function-key-map)
	147	(substitute-key-definition [f26] [C-f4] local-function-key-map)
	148	(substitute-key-definition [f27] [C-f5] local-function-key-map)
	149	(substitute-key-definition [f28] [C-f6] local-function-key-map)
	150	(substitute-key-definition [f29] [C-f7] local-function-key-map)
	151	(substitute-key-definition [f30] [C-f8] local-function-key-map)
	152	(substitute-key-definition [f31] [C-f9] local-function-key-map)
	153	(substitute-key-definition [f32] [C-f10] local-function-key-map)
	154
	155	(substitute-key-definition [f33] [C-S-f1] local-function-key-map)
	156	(substitute-key-definition [f34] [C-S-f2] local-function-key-map)
	157	(substitute-key-definition [f35] [C-S-f3] local-function-key-map)
	158	(substitute-key-definition [f36] [C-S-f4] local-function-key-map)
	159	(substitute-key-definition [f37] [C-S-f5] local-function-key-map)
	160	(substitute-key-definition [f38] [C-S-f6] local-function-key-map)
	161	(substitute-key-definition [f39] [C-S-f7] local-function-key-map)
	162	(substitute-key-definition [f40] [C-S-f8] local-function-key-map)
	163	(substitute-key-definition [f41] [C-S-f9] local-function-key-map)
	164	(substitute-key-definition [f42] [C-S-f10] local-function-key-map)
af520c4a KL	165
	166	;; Use inheritance to let the main keymap override those defaults.
	167	;; This way we don't override terminfo-derived settings or settings
	168	;; made in the .emacs file.
	169	(let ((m (copy-keymap rxvt-function-map)))
c40bb1ba KL	170	(set-keymap-parent m (keymap-parent local-function-key-map))
c40bb1ba KL	171	(set-keymap-parent local-function-key-map m)))
4f0c9ba7 DN	172
	173	;; Initialize colors and background mode.
	174	(rxvt-register-default-colors)
	175	(rxvt-set-background-mode)
	176	;; This recomputes all the default faces given the colors we've just set up.
	177	(tty-set-up-initial-frame-faces))
5ea6e068 EZ	178
	179	;; Set up colors, for those versions of rxvt that support it.
	180	(defvar rxvt-standard-colors
	181	;; The names of the colors in the comments taken from the rxvt.1 man
e47cd3c4	182	;; page; the corresponding RGB values--from rgb.txt.
5ea6e068 EZ	183	'(("black" 0 ( 0 0 0)) ; black
	184	("red" 1 (205 0 0)) ; red3
	185	("green" 2 ( 0 205 0)) ; green3
	186	("yellow" 3 (205 205 0)) ; yellow3
	187	("blue" 4 ( 0 0 205)) ; blue3
	188	("magenta" 5 (205 0 205)) ; magenta3
	189	("cyan" 6 ( 0 205 205)) ; cyan3
b778ed18 DN	190	("white" 7 (229 229 229)) ; gray90
b778ed18 DN	191	("brightblack" 8 ( 77 77 77)) ; gray30
5ea6e068 EZ	192	("brightred" 9 (255 0 0)) ; red
	193	("brightgreen" 10 ( 0 255 0)) ; green
	194	("brightyellow" 11 (255 255 0)) ; yellow
	195	("brightblue" 12 ( 0 0 255)) ; blue
	196	("brightmagenta" 13 (255 0 255)) ; magenta
	197	("brightcyan" 14 ( 0 255 255)) ; cyan
	198	("brightwhite" 15 (255 255 255))) ; white
	199	"Names of 16 standard rxvt colors, their numbers, and RGB values.")
	200
	201	(defun rxvt-rgb-convert-to-16bit (prim)
	202	"Convert an 8-bit primary color value PRIM to a corresponding 16-bit value."
	203	(min 65535 (round (* (/ prim 255.0) 65535.0))))
	204
	205	(defun rxvt-register-default-colors ()
	206	"Register the default set of colors for rxvt or compatible emulator.
	207
	208	This function registers the number of colors returned by `display-color-cells'
	209	for the currently selected frame."
	210	(let* ((ncolors (display-color-cells))
	211	(colors rxvt-standard-colors)
	212	(color (car colors)))
	213	(if (> ncolors 0)
	214	;; Clear the 8 default tty colors registered by startup.el
	215	(tty-color-clear))
	216	;; Only register as many colors as are supported by the display.
	217	(while (and (> ncolors 0) colors)
	218	(tty-color-define (car color) (cadr color)
	219	(mapcar 'rxvt-rgb-convert-to-16bit
	220	(car (cddr color))))
	221	(setq colors (cdr colors)
	222	color (car colors)
	223	ncolors (1- ncolors)))
08c583db DN	224	(when (> ncolors 0)
	225	(cond
	226	((= ncolors 240) ; 256-color rxvt
	227	;; 216 non-gray colors first
	228	(let ((r 0) (g 0) (b 0))
	229	(while (> ncolors 24)
	230	;; This and other formulae taken from 256colres.pl and
	231	;; 88colres.pl in the xterm distribution.
	232	(tty-color-define (format "color-%d" (- 256 ncolors))
	233	(- 256 ncolors)
	234	(mapcar 'rxvt-rgb-convert-to-16bit
	235	(list (round (* r 42.5))
	236	(round (* g 42.5))
	237	(round (* b 42.5)))))
	238	(setq b (1+ b))
	239	(if (> b 5)
	240	(setq g (1+ g)
	241	b 0))
	242	(if (> g 5)
	243	(setq r (1+ r)
	244	g 0))
	245	(setq ncolors (1- ncolors))))
	246	;; Now the 24 gray colors
	247	(while (> ncolors 0)
	248	(setq color (rxvt-rgb-convert-to-16bit (+ 8 (* (- 24 ncolors) 10))))
	249	(tty-color-define (format "color-%d" (- 256 ncolors))
	250	(- 256 ncolors)
	251	(list color color color))
	252	(setq ncolors (1- ncolors))))
	253
0d1460c3	254	((= ncolors 72) ; rxvt-unicode
08c583db DN	255	;; 64 non-gray colors
	256	(let ((levels '(0 139 205 255))
	257	(r 0) (g 0) (b 0))
	258	(while (> ncolors 8)
	259	(tty-color-define (format "color-%d" (- 88 ncolors))
	260	(- 88 ncolors)
	261	(mapcar 'rxvt-rgb-convert-to-16bit
	262	(list (nth r levels)
	263	(nth g levels)
	264	(nth b levels))))
	265	(setq b (1+ b))
	266	(if (> b 3)
	267	(setq g (1+ g)
	268	b 0))
	269	(if (> g 3)
	270	(setq r (1+ r)
	271	g 0))
	272	(setq ncolors (1- ncolors))))
	273	;; Now the 8 gray colors
	274	(while (> ncolors 0)
	275	(setq color (rxvt-rgb-convert-to-16bit
	276	(floor
	277	(if (= ncolors 8)
	278	46.36363636
	279	(+ (* (- 8 ncolors) 23.18181818) 69.54545454)))))
836c8f06 DN	280	(tty-color-define (format "color-%d" (- 88 ncolors))
836c8f06 DN	281	(- 88 ncolors)
08c583db	282	(list color color color))
836c8f06	283	(setq ncolors (1- ncolors))))
08c583db	284	(t (error "Unsupported number of rxvt colors (%d)" (+ 16 ncolors)))))
5ea6e068 EZ	285	;; Modifying color mappings means realized faces don't use the
	286	;; right colors, so clear them.
	287	(clear-face-cache)))
	288
	289	;; rxvt puts the default colors into an environment variable
	290	;; COLORFGBG. We use this to set the background mode in a more
	291	;; intelligent way than the default guesswork in startup.el.
	292	(defun rxvt-set-background-mode ()
	293	"Set background mode as appropriate for the default rxvt colors."
59e085e0	294	(let ((fgbg (terminal-getenv "COLORFGBG"))
5ea6e068	295	bg rgb)
9b07ab0a	296	(setq default-frame-background-mode 'light)
5ea6e068 EZ	297	(when (and fgbg
	298	(string-match ".*;\\([0-9][0-9]?\\)\\'" fgbg))
	299	(setq bg (string-to-number (substring fgbg (match-beginning 1))))
	300	;; The next line assumes that rxvt-standard-colors are ordered
	301	;; by the color index in the ascending order!
	302	(setq rgb (car (cddr (nth bg rxvt-standard-colors))))
	303	;; See the commentary in frame-set-background-mode about the
	304	;; computation below.
	305	(if (< (apply '+ rgb)
	306	;; The following line assumes that white is the 15th
	307	;; color in rxvt-standard-colors.
	308	(* (apply '+ (car (cddr (nth 15 rxvt-standard-colors)))) 0.6))
9b07ab0a	309	(setq default-frame-background-mode 'dark)))
5ea6e068 EZ	310	(frame-set-background-mode (selected-frame))))
5ea6e068 EZ	311
fac3f386	312	;; arch-tag: 20cf2fb6-6318-4bab-9dbf-1d15048f2257
5ea6e068	313	;;; rxvt.el ends here